\name{isLinear}
\alias{isLinear}
\title{isLinear}
\description{
Generic NLAR linearity test
}
\usage{
isLinear(object, ...)
}
\arguments{
\item{object}{ fitted time series model }
\item{...}{arguments to and from other methods}
}
\author{ A. F. Di Narzo }
\keyword{ ts }
